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61 lines
1.9 KiB
Plaintext
61 lines
1.9 KiB
Plaintext
NAME
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epsilon - set or read the stored epsilon value
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SYNOPSIS
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epsilon([eps])
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TYPES
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eps real number greater than 0 and less than 1
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return real number greater than 0 and less than 1
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DESCRIPTION
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Without args, epsilon() returns the current epsilon value.
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With one arg, epsilon(eps) returns the current epsilon value
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and sets the stored epsilon value to eps.
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The stored epsilon value is used as default value for eps in
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the functions appr(x, eps, rnd), sqrt(x, eps, rnd), etc.
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EXAMPLE
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> oldeps = epsilon(1e-6)
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> print epsilon(), sqrt(2), epsilon(1e-4), sqrt(2), epsilon(oldeps)
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> .000001 1.414214 .000001 1.4142 .0001
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LIMITS
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none
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LINK LIBRARY
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void setepsilon(NUMBER *eps)
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NUMBER *_epsilon_
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SEE ALSO
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config
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## Copyright (C) 1999 Landon Curt Noll
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##
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## Calc is open software; you can redistribute it and/or modify it under
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## the terms of the version 2.1 of the GNU Lesser General Public License
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## as published by the Free Software Foundation.
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##
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## Calc is distributed in the hope that it will be useful, but WITHOUT
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## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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## Public License for more details.
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##
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## A copy of version 2.1 of the GNU Lesser General Public License is
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## distributed with calc under the filename COPYING-LGPL. You should have
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## received a copy with calc; if not, write to Free Software Foundation, Inc.
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## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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##
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## @(#) $Revision: 29.2 $
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## @(#) $Id: epsilon,v 29.2 2000/06/07 14:02:33 chongo Exp $
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## @(#) $Source: /usr/local/src/cmd/calc/help/RCS/epsilon,v $
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##
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## Under source code control: 1995/10/05 04:52:26
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## File existed as early as: 1995
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##
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## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
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## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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